KETCHIKAN, ALASKA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(504590)

File last updated on Jun 7, 2013
*** Note *** Provisional Data *** After Year/Month 201305
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 40.00 29.00 g 33.00 a 4.00 4.00
1950 2.00 25.00 21.00 27.00 34.00 c 38.00 44.00 45.00 39.00 25.00 10.00 14.00 f 2.00
1951 12.00 14.00 9.00 30.00 35.00 40.00 46.00 48.00 35.00 27.00 28.00 9.00 9.00
1952 5.00 h 17.00 a 26.00 31.00 32.00 37.00 45.00 43.00 37.00 35.00 29.00 24.00 5.00
1953 2.00 30.00 29.00 28.00 40.00 44.00 47.00 44.00 40.00 c 34.00 d 26.00 29.00 2.00
1954 11.00 9.00 25.00 20.00 30.00 h 41.00 44.00 50.00 40.00 30.00 35.00 13.00 9.00
1955 23.00 17.00 3.00 e 31.00 34.00 c 37.00 41.00 45.00 38.00 32.00 10.00 7.00 3.00
1956 9.00 3.00 15.00 30.00 32.00 40.00 45.00 46.00 37.00 27.00 c 27.00 17.00 3.00
1957 10.00 8.00 24.00 32.00 31.00 43.00 43.00 41.00 43.00 34.00 30.00 27.00 8.00
1958 24.00 27.00 27.00 32.00 35.00 49.00 49.00 45.00 37.00 30.00 24.00 9.00 9.00
1959 13.00 20.00 28.00 32.00 34.00 40.00 46.00 45.00 41.00 31.00 17.00 27.00 13.00
1960 25.00 ----- z 24.00 b 31.00 35.00 40.00 47.00 42.00 40.00 37.00 30.00 22.00 22.00
1961 27.00 24.00 25.00 31.00 36.00 42.00 45.00 47.00 37.00 30.00 25.00 20.00 20.00
1962 19.00 23.00 14.00 31.00 31.00 41.00 45.00 48.00 41.00 34.00 31.00 16.00 14.00
1963 12.00 25.00 26.00 27.00 32.00 39.00 45.00 49.00 41.00 31.00 8.00 22.00 8.00
1964 15.00 d 27.00 19.00 30.00 30.00 39.00 43.00 40.00 36.00 31.00 11.00 -1.00 -1.00
1965 -1.00 25.00 20.00 25.00 32.00 37.00 47.00 45.00 40.00 32.00 21.00 8.00 -1.00
1966 5.00 25.00 21.00 22.00 34.00 40.00 44.00 45.00 41.00 29.00 23.00 17.00 5.00
1967 16.00 30.00 12.00 30.00 34.00 41.00 46.00 48.00 42.00 36.00 29.00 16.00 12.00
1968 14.00 4.00 29.00 27.00 34.00 38.00 42.00 43.00 39.00 34.00 28.00 4.00 4.00
1969 5.00 18.00 23.00 32.00 33.00 42.00 45.00 43.00 40.00 31.00 28.00 26.00 5.00
1970 6.00 28.00 28.00 30.00 34.00 40.00 41.00 44.00 35.00 32.00 14.00 4.00 4.00
1971 4.00 18.00 17.00 30.00 28.00 38.00 42.00 43.00 34.00 24.00 23.00 5.00 a 4.00
1972 1.00 10.00 17.00 22.00 30.00 38.00 42.00 44.00 29.00 22.00 25.00 16.00 1.00
1973 15.00 23.00 30.00 34.00 34.00 35.00 39.00 37.00 37.00 28.00 13.00 24.00 13.00
1974 7.00 15.00 13.00 34.00 35.00 38.00 44.00 48.00 44.00 36.00 29.00 29.00 7.00
1975 5.00 6.00 23.00 31.00 35.00 42.00 47.00 43.00 41.00 27.00 22.00 15.00 5.00
1976 18.00 8.00 7.00 27.00 a 35.00 38.00 43.00 41.00 38.00 28.00 28.00 21.00 7.00
1977 22.00 29.00 25.00 29.00 32.00 40.00 44.00 44.00 37.00 31.00 16.00 0.00 0.00
1978 3.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 33.00 21.00 11.00 3.00
1979 11.00 a 10.00 a 26.00 31.00 31.00 42.00 h 50.00 48.00 a 46.00 a 36.00 a 26.00 f 8.00 a 8.00
1980 13.00 b 23.00 26.00 c 31.00 34.00 a 45.00 a ----- z 41.00 a ----- z 34.00 a 30.00 15.00 a 13.00
1981 25.00 ----- z 29.00 28.00 ----- z 35.00 a 45.00 a 48.00 a 39.00 b 33.00 30.00 a 18.00 b 18.00
1982 0.00 b ----- z ----- z 29.00 b ----- z ----- z ----- z ----- z 42.00 c 32.00 a ----- z ----- z 0.00
1983 22.00 32.00 24.00 a 32.00 37.00 a 42.00 c 39.00 c 43.00 a 34.00 34.00 ----- z ----- z 22.00
1984 28.00 30.00 b 28.00 30.00 34.00 b 41.00 47.00 42.00 38.00 17.00 23.00 8.00 8.00
1985 ----- z ----- z ----- z ----- z ----- z ----- z 40.00 40.00 ----- z ----- z ----- z ----- z 40.00
1986 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 29.00 32.00 b 20.00 a 30.00 20.00
1987 19.00 b 27.00 ----- z 32.00 35.00 a 43.00 47.00 48.00 42.00 33.00 26.00 21.00 a 19.00
1988 ----- z ----- z ----- z 30.00 36.00 40.00 45.00 48.00 40.00 30.00 24.00 22.00 22.00
1989 7.00 5.00 12.00 29.00 34.00 41.00 43.00 48.00 42.00 30.00 28.00 32.00 5.00
1990 8.00 8.00 22.00 a 30.00 39.00 42.00 46.00 46.00 41.00 30.00 15.00 11.00 8.00
1991 2.00 25.00 15.00 30.00 35.00 39.00 41.00 43.00 38.00 21.00 31.00 31.00 2.00
1992 29.00 20.00 25.00 24.00 33.00 36.00 48.00 43.00 32.00 24.00 30.00 6.00 6.00
1993 11.00 15.00 21.00 30.00 38.00 39.00 47.00 43.00 39.00 35.00 17.00 30.00 11.00
1994 31.00 2.00 29.00 35.00 36.00 47.00 48.00 47.00 36.00 34.00 27.00 16.00 2.00
1995 20.00 21.00 20.00 30.00 39.00 41.00 48.00 45.00 41.00 30.00 24.00 7.00 7.00
1996 9.00 20.00 19.00 27.00 28.00 41.00 43.00 45.00 32.00 30.00 a 7.00 30.00 v 7.00
1997 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1998 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1999 ----- z ----- z 23.00 27.00 31.00 37.00 a 42.00 42.00 33.00 31.00 28.00 25.00 23.00
2000 6.00 17.00 22.00 22.00 30.00 38.00 43.00 43.00 39.00 30.00 26.00 10.00 6.00
2001 21.00 18.00 20.00 28.00 30.00 39.00 44.00 48.00 39.00 34.00 13.00 7.00 7.00
2002 10.00 13.00 6.00 21.00 27.00 37.00 39.00 16.00 35.00 25.00 29.00 22.00 6.00
2003 23.00 19.00 6.00 25.00 28.00 35.00 42.00 44.00 32.00 26.00 18.00 23.00 6.00
2004 4.00 7.00 27.00 29.00 35.00 40.00 46.00 41.00 36.00 28.00 26.00 16.00 4.00
2005 0.00 21.00 23.00 31.00 36.00 40.00 46.00 44.00 35.00 30.00 13.00 11.00 0.00
2006 23.00 11.00 13.00 29.00 30.00 41.00 45.00 15.00 35.00 24.00 5.00 25.00 5.00
2007 17.00 19.00 16.00 19.00 32.00 38.00 43.00 43.00 36.00 30.00 28.00 11.00 11.00
2008 4.00 15.00 28.00 26.00 30.00 36.00 45.00 43.00 g 40.00 31.00 31.00 9.00 4.00
2009 6.00 16.00 13.00 26.00 35.00 33.00 49.00 48.00 35.00 28.00 29.00 10.00 6.00
2010 21.00 27.00 27.00 29.00 34.00 43.00 46.00 43.00 36.00 32.00 17.00 17.00 17.00
2011 16.00 3.00 7.00 30.00 35.00 46.00 46.00 44.00 40.00 33.00 23.00 24.00 3.00
2012 -2.00 24.00 22.00 31.00 34.00 37.00 43.00 45.00 41.00 20.00 21.00 19.00 -2.00
2013 26.00 30.00 26.00 28.00 38.00 g ----- z ----- z ----- z ----- z ----- z ----- z ----- z 26.00
Period of Record Statistics
MEAN 12.88 18.26 20.62 28.73 33.40 39.80 44.51 43.51 38.00 30.13 22.98 16.23 6.36
S.D. 8.93 8.36 7.03 3.43 2.83 3.04 2.57 6.01 3.50 4.18 7.32 8.60 4.76
SKEW 0.21 -0.31 -0.79 -1.01 -0.12 0.54 -0.23 -3.55 -0.47 -0.94 -0.75 0.01 0.66
MAX 31.00 32.00 30.00 35.00 40.00 49.00 50.00 50.00 46.00 37.00 35.00 32.00 20.00
MIN -2.00 2.00 3.00 19.00 27.00 33.00 39.00 15.00 29.00 17.00 5.00 -1.00 -2.00
NO YRS 57 54 56 59 55 56 57 57 59 60 58 57 42